Chemicals
| Mon 20 Apr 2026
Beijing, April 21 -- Anyang Jiutian Fine Chemical Co Ltd has sought patent for Efficient and Energy-saving Methylamine Aqueous Solution Preparation System and Method. This invention was developed by Wei Hongguang, Xing Luliang, Yang Xiaolong, Zhao Lili, Li Nan, Qi Hongliang, Liu Xianzhou, Wang Liqiang, Guo Yapeng, Zhang Jinyong,..